Extrusion



FIG. 1 is a top, left side perspective view of the extrusion;

FIG. 2 is a left side elevational view of a second embodiment of the extrusion, the top and bottom being substantially the same as the top and bottom of the extrusion in FIG. 1;

FIG. 3 is a bottom, right side perspective view of the extrusion in FIG. 1;

FIG. 4 is a left side elevational view of the extrusion in FIG. 1;

FIG. 5 is a top, left side perspective view of a third embodiment of the extrusion;

FIG. 6 is a left side elevational view of a fourth embodiment of the extrusion; the top and bottom being substantially the same as the top and bottom of the extrusion in FIG. 5;

FIG. 7 is a bottom, right side perspective view of the extrusion in FIG. 5; and,

FIG. 8 is a is a left side elevational view of the extrusion in FIG. 5.

The extrusion is broken in the center to indicate indeterminate length. 

The ornamental design for a extrusion, as shown and described. 